MVC en 4.3

diff --git a/src/Cantadores.java b/src/Cantadores.java
index 376d0e798d8bfdf3dc3b7ab7dc5c687a931d7b84..351180081d013b872acd6c6c6debee188768c2d3 100644 (file)
--- a/src/Cantadores.java
+++ b/src/Cantadores.java
@@ -1,19 +1,35 @@
 import java.util.*;
 
-public class Cantadores implements Observer
+public class Cantadores extends Observable implements Observer
 {
        String nombre;
+       int n;
+
        public Cantadores (String s)
        {
                nombre = s;
        }
 
+       public int getLastN ()
+       {
+               return n;
+       }
+
+       public String getNombre ()
+       {
+               return nombre;
+       }
+
        public void update(Observable obs, Object obj)
        {
                if (obs instanceof Sorteo) {
                        Sorteo s = (Sorteo)obs;
-                       if ((s.getN()>=40) && (s.getN()<=49))
+                       if ((s.getN()>=40) && (s.getN()<=49)) {
                                System.out.println ("Canto "+nombre+" "+s.getN());
+                               n = s.getN();
+                               setChanged ();
+                               notifyObservers ();
+                       }
                } else {
                        System.out.println ("E");
                }

diff --git a/src/FrameCantores.java b/src/FrameCantores.java
new file mode 100644 (file)
index 0000000..e9be0f5
--- /dev/null
+++ b/src/FrameCantores.java
@@ -0,0 +1,58 @@
+
+import java.awt.*;
+import java.awt.event.*;
+import java.util.*;
+
+public class FrameCantores extends Panel implements Observer
+{
+       private Label nombre;
+       private Label valor;
+
+       public FrameCantores (Cantadores c)
+       {
+               nombre = new Label (c.getNombre ());
+               valor = new Label ("No canto nada");
+
+               setLayout (new BorderLayout ());
+               add (nombre, BorderLayout.CENTER);
+               add (valor, BorderLayout.SOUTH);
+
+               setSize (50, 100);
+               setVisible (true);
+
+               c.addObserver (this);
+       }
+
+       public void update(Observable obs, Object obj)
+       {
+               if (obs instanceof Cantadores) {
+                       valor.setText ((new Integer (((Cantadores)obs).getLastN ())).toString ());
+               }
+       }
+
+       static public void main (String [] args)
+       {
+               Sorteo s = new Sorteo ();
+               Cantadores c1 = new Cantadores ("Pablo");
+               Cantadores c2 = new Cantadores ("Mariela");
+               Cantadores c3 = new Cantadores ("Angela");
+               s.addObserver (c1);
+               s.addObserver (c2);
+               s.addObserver (c3);
+
+               FrameCantores f1 = new FrameCantores (c1);
+               FrameCantores f2 = new FrameCantores (c2);
+               FrameCantores f3 = new FrameCantores (c3);
+
+               Frame p = new Frame ();
+               p.setLayout (new BorderLayout ());
+               p.add (f1, BorderLayout.WEST);
+               p.add (f2, BorderLayout.CENTER);
+               p.add (f3, BorderLayout.EAST);
+
+               p.setSize (500, 100);
+               p.setVisible (true);
+               s.Go ();
+       }
+}
+

diff --git a/src/Sorteo.java b/src/Sorteo.java
index 2b2741cbef141ac7d326b31b8bbbf2ad3bd2b639..14a2a41ee235a8c513b4f183eb93eb684b526751 100644 (file)
--- a/src/Sorteo.java
+++ b/src/Sorteo.java
@@ -1,6 +1,7 @@
 
 import java.util.*;
-               
+import java.lang.Thread;
+
 public class Sorteo extends Observable
 {
        Random r = new Random ();
@@ -22,6 +23,10 @@ public class Sorteo extends Observable
                        n = r.nextInt (100);
                        setChanged ();
                        notifyObservers ();
+                       try {
+                               Thread.sleep (500);
+                       }
+                       catch (Exception e) {}
                }
        }
 }